The People's Common Sense Medical Adviser in Plain English / or, Medicine Simplified, 54th ed., One Million, Six Hundred / and Fifty Thousand

by Ray Vaughn Pierce

Specialty. That to which special attention is given.

Specific gravity. Comparative weight; as between urine and water.

Speculum. An instrument for examining cavities. Illus. pages [717] and [718].

Sperm. See Semen.

Spermatic Cord. The mass of arteries, veins, nerves, absorbents and their coverings, which passes along the groin and over the pubic bone, to the testicle.

Spermatorrhea. Described on [page 772].

Spermatozoa. More than one Spermatozoön.

Spermatozoön. Defined on [page 12]; Illus. [page 13].

Sphincters. Bound muscles which close natural openings.

Sphygmograph. An instrument for examining the heart. Illus. [page 548].